This photo released by the NFL shows Chicago Bears Hall of Fame guard Danny Fortmann (21) and Bears end John Siegel (6, far right) reacting to the ball in the air after a tackle by Bears guard Ray Bray (82) in the Western Division Playoff game against the Green Pay Packers played at Wrigley...

This photo released by the NFL shows Chicago Bears Hall of Fame guard Danny Fortmann (21) and Bears end John Siegel (6, far right) reacting to the ball in the air after a tackle by Bears guard Ray Bray (82) in the Western Division Playoff game against the Green Pay Packers played at Wrigley... (NFL photos)

Green Bay Packers fullback Ted Fritsch (64) plows forward for a nine-yard gain during a game against the Chicago Bears at Wrigley Field on Nov. 3, 1946. The Bears won the game by a 10-7 score.

Green Bay Packers fullback Ted Fritsch (64) plows forward for a nine-yard gain during a game against the Chicago Bears at Wrigley Field on Nov. 3, 1946. The Bears won the game by a 10-7 score. (Tribune file photo)

This Jan. 23, 1947, file photo shows Chicago Bears founder-owner-coach George Halas (left) and Green Bay Packers founder-owner-coach Curley Lambeau at a meeting in Chicago. These two NFL legends both coached their teams to six championship titles.

This Jan. 23, 1947, file photo shows Chicago Bears founder-owner-coach George Halas (left) and Green Bay Packers founder-owner-coach Curley Lambeau at a meeting in Chicago. These two NFL legends both coached their teams to six championship titles. (AP photo by Ed Maloney)

The Chicago Bears. The Green Bay Packers. Together, these two storied professional football organizations form one of the greatest rivalries in sports. Here are images of the two teams playing each other over the years.